From 0d0acb9d10e4817de3095e984c0b081a44ddd0d0 Mon Sep 17 00:00:00 2001
From: pascallanger <planger@mathworks.com>
Date: Mon, 2 Jan 2017 17:04:50 +0100
Subject: [PATCH] Bind function on channel 16

Toggling channel 16 (-100%->+100%->-100%) will execute a bind only if
the loaded protocol is an autobind protocol or autobind is set AND
throttle is low (below -95%).
---
 Multiprotocol/Multiprotocol.h   |  5 +++++
 Multiprotocol/Multiprotocol.ino | 21 +++++++++++++++------
 Multiprotocol/_Config.h         | 11 ++++++++---
 3 files changed, 28 insertions(+), 9 deletions(-)

diff --git a/Multiprotocol/Multiprotocol.h b/Multiprotocol/Multiprotocol.h
index caf3745..d852b14 100644
--- a/Multiprotocol/Multiprotocol.h
+++ b/Multiprotocol/Multiprotocol.h
@@ -265,6 +265,11 @@ enum MultiPacketTypes {
 #define INPUT_SIGNAL_on		protocol_flags2 |= _BV(5)
 #define IS_INPUT_SIGNAL_on	( ( protocol_flags2 & _BV(5) ) !=0 )
 #define IS_INPUT_SIGNAL_off	( ( protocol_flags2 & _BV(5) ) ==0 )
+//CH16
+#define CH16_PREV_off		protocol_flags2 &= ~_BV(6)
+#define CH16_PREV_on		protocol_flags2 |= _BV(6)
+#define IS_CH16_PREV_on		( ( protocol_flags2 & _BV(6) ) !=0 )
+#define IS_CH16_PREV_off	( ( protocol_flags2 & _BV(6) ) ==0 )
 
 //********************
 //*** Blink timing ***
diff --git a/Multiprotocol/Multiprotocol.ino b/Multiprotocol/Multiprotocol.ino
index 02f8d06..285d29f 100644
--- a/Multiprotocol/Multiprotocol.ino
+++ b/Multiprotocol/Multiprotocol.ino
@@ -460,12 +460,6 @@ void Update_All()
 		if(mode_select==MODE_SERIAL && IS_RX_FLAG_on)		// Serial mode and something has been received
 		{
 			update_serial_data();							// Update protocol and data
-			if(IS_CHANGE_PROTOCOL_FLAG_on)
-			{ // Protocol needs to be changed
-				LED_off;									//led off during protocol init
-				modules_reset();							//reset all modules
-				protocol_init();							//init new protocol
-			}
 			INPUT_SIGNAL_on;								//valid signal received
 			last_signal=millis();
 		}
@@ -488,6 +482,21 @@ void Update_All()
 			last_signal=millis();
 		}
 	#endif //ENABLE_PPM
+	#ifdef ENABLE_BIND_CH16
+	if(IS_AUTOBIND_FLAG_on && IS_CH16_PREV_off && Servo_data[15]>PPM_MAX_COMMAND && Servo_data[THROTTLE]<(servo_min_100+25))
+	{ // Autobind is on and CH16 went up and Throttle is low
+		CHANGE_PROTOCOL_FLAG_on;							//reload protocol to rebind
+		CH16_PREV_on;
+	}
+	if(IS_CH16_PREV_on && Servo_data[15]<PPM_MIN_COMMAND)
+		CH16_PREV_off;
+	#endif //ENABLE_BIND_CH16
+	if(IS_CHANGE_PROTOCOL_FLAG_on)
+	{ // Protocol needs to be changed or relaunched for bind
+		LED_off;											//led off during protocol init
+		modules_reset();									//reset all modules
+		protocol_init();									//init new protocol
+	}
 	update_channels_aux();
 	#if defined(TELEMETRY)
 		#if !defined(MULTI_TELEMETRY)
diff --git a/Multiprotocol/_Config.h b/Multiprotocol/_Config.h
index 094708a..221c034 100644
--- a/Multiprotocol/_Config.h
+++ b/Multiprotocol/_Config.h
@@ -41,6 +41,8 @@
 //#define REVERSE_THROTTLE
 //#define REVERSE_RUDDER
 
+//Comment to disable the bind feature on channel 16
+#define ENABLE_BIND_CH16
 
 /**************************/
 /*** RF CHIPS INSTALLED ***/
@@ -106,9 +108,12 @@
 //If you do not plan using the telemetry comment this global setting using "//" and skip to the next section.
 #define TELEMETRY
 
-//Uncomment to invert the polarity of the telemetry serial signal.
-//For ER9X and ERSKY9X it must be commented. For OpenTX it must be uncommented.
-//#define INVERT_TELEMETRY
+//Comment to invert the polarity of the output telemetry serial signal.
+//This function takes quite some flash space and processor power on an atmega.
+//For OpenTX and ersky9x it must be uncommented.
+//On a 9XR_PRO running ersky9x both commented and uncommented will work depending on the radio setting Invert COM1 under the Telemetry menu.
+//For er9x it depends if you have an inveter mod or not on the telemetry pin. If you don't have an inverter comment this line.
+#define INVERT_TELEMETRY
 
 //Uncomment to send also Multi status and wrap other telemetry to allow TX to autodetect the format
 //Only for newest OpenTX version